1807-1870 1861-1865 19thcentury americancivilwar(1861-1865) amerikaanseburgeroorlog biography civilwar e621f855g1998 geneeskundigetroepen generals geschichtsschreibung historiography history historyandcriticism lee medicalcare medicine medizinischeversorgung military militarymedicine unitedstates unitedstatescivilwar warfare